WO2008136307A1 - Direct-lighting backlight - Google Patents
Direct-lighting backlight Download PDFInfo
- Publication number
- WO2008136307A1 WO2008136307A1 PCT/JP2008/057738 JP2008057738W WO2008136307A1 WO 2008136307 A1 WO2008136307 A1 WO 2008136307A1 JP 2008057738 W JP2008057738 W JP 2008057738W WO 2008136307 A1 WO2008136307 A1 WO 2008136307A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- direct
- lighting backlight
- back frame
- fluorescent lamps
- backlight
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133604—Direct backlight with lamps
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009512933A JPWO2008136307A1 (en) | 2007-04-27 | 2008-04-22 | Direct type backlight |
CN200880013689A CN101680609A (en) | 2007-04-27 | 2008-04-22 | direct-lighting backlight |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-118263 | 2007-04-27 | ||
JP2007118263 | 2007-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008136307A1 true WO2008136307A1 (en) | 2008-11-13 |
Family
ID=39943419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/057738 WO2008136307A1 (en) | 2007-04-27 | 2008-04-22 | Direct-lighting backlight |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPWO2008136307A1 (en) |
KR (1) | KR20100015925A (en) |
CN (1) | CN101680609A (en) |
TW (1) | TW200912470A (en) |
WO (1) | WO2008136307A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011081929A (en) * | 2009-10-05 | 2011-04-21 | Hitachi Consumer Electronics Co Ltd | Backlight unit, and liquid crystal display using the same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003279979A (en) * | 2002-03-22 | 2003-10-02 | Hitachi Ltd | Liquid crystal display device |
JP2004354533A (en) * | 2003-05-27 | 2004-12-16 | Fdk Corp | Backlight unit |
JP2005043832A (en) * | 2003-07-25 | 2005-02-17 | Lg Phillips Lcd Co Ltd | Backlight device of liquid crystal display device, and reflecting means used therefor |
JP2007273222A (en) * | 2006-03-31 | 2007-10-18 | Nippo Electric Co Ltd | Planar light source |
JP2008014984A (en) * | 2006-07-03 | 2008-01-24 | Hitachi Displays Ltd | Liquid crystal display device |
-
2008
- 2008-04-22 JP JP2009512933A patent/JPWO2008136307A1/en active Pending
- 2008-04-22 WO PCT/JP2008/057738 patent/WO2008136307A1/en active Application Filing
- 2008-04-22 KR KR1020097022366A patent/KR20100015925A/en not_active Application Discontinuation
- 2008-04-22 CN CN200880013689A patent/CN101680609A/en active Pending
- 2008-04-24 TW TW097115085A patent/TW200912470A/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003279979A (en) * | 2002-03-22 | 2003-10-02 | Hitachi Ltd | Liquid crystal display device |
JP2004354533A (en) * | 2003-05-27 | 2004-12-16 | Fdk Corp | Backlight unit |
JP2005043832A (en) * | 2003-07-25 | 2005-02-17 | Lg Phillips Lcd Co Ltd | Backlight device of liquid crystal display device, and reflecting means used therefor |
JP2007273222A (en) * | 2006-03-31 | 2007-10-18 | Nippo Electric Co Ltd | Planar light source |
JP2008014984A (en) * | 2006-07-03 | 2008-01-24 | Hitachi Displays Ltd | Liquid crystal display device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011081929A (en) * | 2009-10-05 | 2011-04-21 | Hitachi Consumer Electronics Co Ltd | Backlight unit, and liquid crystal display using the same |
Also Published As
Publication number | Publication date |
---|---|
CN101680609A (en) | 2010-03-24 |
JPWO2008136307A1 (en) | 2010-07-29 |
KR20100015925A (en) | 2010-02-12 |
TW200912470A (en) | 2009-03-16 |
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